633
CDGM40 PGUM 181638
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
238 AM CHST SAT JUL 19 2025
...............................
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JULY 18 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1945 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 85 1:44 PM 95 1969 88 -3 84
MINIMUM 78 5:46 PM 72 1949 77 1 75
1967
AVERAGE 82 82 0 80
PRECIPITATION (IN)
YESTERDAY 0.05 2.41 2006 0.43 -0.38 0.32
MONTH TO DATE 5.83 6.29 -0.46 4.11
SINCE JUN 1 19.33 12.80 6.53 12.11
SINCE JAN 1 35.06 33.01 2.05 28.98
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 17 17 0 15
MONTH TO DATE 314 322 -8 318
SINCE JUN 1 823 874 -51 849
SINCE JAN 1 3387 3386 1 3330
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION E (80)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 7.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 4:00 AM
LOWEST 75 4:00 PM
AVERAGE 83
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 93 1994
MINIMUM TEMPERATURE (F) 77 71 1950
1989
SUNRISE AND SUNSET
JULY 19 2025..........SUNRISE 6:02 AM CHST SUNSET 6:52 PM CHST
JULY 20 2025..........SUNRISE 6:03 AM CHST SUNSET 6:52 PM CHST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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